1 /* 2 * Author: Mihai Tudor Panu <mihai.tudor.panu (at) intel.com> 3 * Copyright (c) 2014 Intel Corporation. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 //setup/Initialization 26 var upm_grove = require('jsupm_grove'); 27 28 //setup access analog input Analog pin #0 (A0) 29 var groveRotary = new upm_grove.GroveRotary(0); 30 31 loop(); 32 33 function loop() 34 { 35 var abs = groveRotary.abs_value(); 36 var absdeg = groveRotary.abs_deg(); 37 var absrad = groveRotary.abs_rad(); 38 39 var rel = groveRotary.rel_value(); 40 var reldeg = groveRotary.rel_deg(); 41 var relrad = groveRotary.rel_rad(); 42 43 //write the knob value to the console in different formats 44 console.log("Abs: " + abs + " " + Math.round(parseInt(absdeg)) + " " + absrad.toFixed(3)); 45 console.log("Rel: " + rel + " " + Math.round(parseInt(reldeg)) + " " + relrad.toFixed(3)); 46 47 //wait 2 s and call function again 48 setTimeout(loop, 2000); 49 } 50
